对于心房的成功导管切除后的抗血栓治疗
Atul Verma1, David H Birnie2, Chenyang Jiang3
1McGill University Health Centre, McGill University, Montreal.
The New England journal of medicine
|November 10, 2025
概括
与阿司匹林相比,里瓦罗克萨班在成功导管切除后心房的患者中没有显著降低中风风险. 这两种治疗方法在预防重大不良事件方面表现出类似的有效性.
科学领域:
- 心脏病学 心脏病学
- 神经学 神经学
- 药理学 药理学 是一个学科.
背景情况:
- 在成功的心房动导管切除后,长期口服抗凝药治疗的必要性仍然不确定.
- 患有心房动和中风风险因素的患者需要有效的预防策略.
研究的目的:
- 为了比较利瓦罗克萨班与阿司匹林在预防脑卒中和血栓塞的疗效和安全性,在患者心房移除后心房移除.
- 用MRI评估新的隐蔽栓塞性中风的发生率.
主要方法:
- 一个国际的,随机的,盲目的结果评估试验,涉及1284名先前成功的心房移除和中风风险的患者.
- 患者接受了里瓦罗克萨班 (15毫克) 或阿司匹林 (70-120毫克) 3年.
- 主要结局:综合性中风,全身栓塞,或MRI检测到的新的隐蔽栓塞性中风.
主要成果:
- 里瓦洛克萨班 (0.31事件/100患者年) 和阿司匹林 (0.66事件/100患者年) 组之间主要结局没有显著差异 (RR 0.56;95% CI,0.19至1.65).
- 新发脑梗塞 (<15毫米) 的发生率相似:里瓦洛克萨班的3.9%,阿司匹林的4.4%.
- 致命的或严重的出血发生在1.6%的里瓦洛克萨班与0.6%的阿司匹林.
结论:
- 与阿司匹林相比,里瓦罗克萨班在成功治疗心房的患者中没有显示出对中风,全身栓塞或新的隐蔽栓塞性中风的统计显著减少.
- 这项研究表明,阿司匹林在这种患者群体中可能是里瓦洛克萨班的可行替代品,需要进一步调查.
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